View Compilation Error

0_0_14463355_31226.cpp: In function 'int main()':
0_0_14463355_31226.cpp:19:17: error: 'k' was not declared in this scope
         if(i>j) k=i;
                 ^
0_0_14463355_31226.cpp:20:14: error: 'k' was not declared in this scope
         else k=j;
              ^